Home / 117,789.12-176,683.52-30,237.12

Finding the Fourth Proportional to 117,789.12, 176,683.52 and 30,237.12

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Solution

The fourth proportional to 117,789.12, 176,683.52 and 30,237.12 is: 45,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,789.12 : 176,683.52 = 30,237.12 : x
  2. Step 2: Convert to fraction form
    117,789.12/176,683.52 = 30,237.12/x
  3. Step 3: Cross multiply
    117,789.12x = 176,683.52 × 30,237.12
  4. Step 4: Simplify right side
    117,789.12x = 5,342,400,796.26
  5. Step 5: Solve for x
    x = 5,342,400,796.26/117,789.12
  6. Step 6: Final answer
    x = 45,355.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.